Dyfyniad APA

Oberg, B. C. (2006). introduction to public speaking. Jaico Publishing.

Dyfyniad Arddull Chicago

Oberg, Brent C. Introduction to Public Speaking. Mumbai: Jaico Publishing, 2006.

Dyfyniad MLA

Oberg, Brent C. Introduction to Public Speaking. Jaico Publishing, 2006.

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